204204226004 has 6 divisors (see below), whose sum is σ = 357357395514. Its totient is φ = 102102113000.

The previous prime is 204204226001. The next prime is 204204226081. The reversal of 204204226004 is 400622402402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 176734478404 + 27469747600 = 420398^2 + 165740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204204226001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525528247 + ... + 25525528254.

It is an arithmetic number, because the mean of its divisors is an integer number (59559565919).

Almost surely, 2^204204226004 is an apocalyptic number.

It is an amenable number.

204204226004 is a deficient number, since it is larger than the sum of its proper divisors (153153169510).

204204226004 is a wasteful number, since it uses less digits than its factorization.

204204226004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51051056505 (or 51051056503 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 204204226004 its reverse (400622402402), we get a palindrome (604826628406).

It can be divided in two parts, 20420 and 4226004, that added together give a palindrome (4246424).

The spelling of 204204226004 in words is "two hundred four billion, two hundred four million, two hundred twenty-six thousand, four".